Base | Representation |
---|---|
bin | 1100001010010… |
… | …10011011101001 |
3 | 21002221222122222 |
4 | 12011022123221 |
5 | 202104013440 |
6 | 14042323425 |
7 | 2346061625 |
oct | 605123351 |
9 | 232858588 |
10 | 102016745 |
11 | 52649766 |
12 | 2a1b9575 |
13 | 1819b74c |
14 | d798185 |
15 | 8e522b5 |
hex | 614a6e9 |
102016745 has 16 divisors (see below), whose sum is σ = 129901968. Its totient is φ = 76646400.
The previous prime is 102016699. The next prime is 102016763. The reversal of 102016745 is 547610201.
It can be written as a sum of positive squares in 8 ways, for example, as 249001 + 101767744 = 499^2 + 10088^2 .
It is not a de Polignac number, because 102016745 - 216 = 101951209 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50087 + ... + 52083.
It is an arithmetic number, because the mean of its divisors is an integer number (8118873).
Almost surely, 2102016745 is an apocalyptic number.
It is an amenable number.
102016745 is a deficient number, since it is larger than the sum of its proper divisors (27885223).
102016745 is a wasteful number, since it uses less digits than its factorization.
102016745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2620.
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 102016745 is about 10100.3339053716. Note that the first 3 decimals coincide. The cubic root of 102016745 is about 467.2584394576.
Adding to 102016745 its reverse (547610201), we get a palindrome (649626946).
The spelling of 102016745 in words is "one hundred two million, sixteen thousand, seven hundred forty-five".
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